Table 2.

Socioeconomic parameters and environmental risk factors of patients seropositive for anti-Toxoplasma gondii IgG antibodies with ocular toxoplasmosis (OT) or other ocular diseases (OOD), in an outpatient eye clinic, São José do Rio Preto, São Paulo state, Brazil^*

	OT		OOD		OR	95% CI	P value
	n	%	n	%
Total (n = 260)	71	27·3	189	72·7
Gender
Female	35	49·3	90	47·6	1·069	0·6195–1·846	0·889
Male	36	50·7	99	52·4
Mean age	48·2		60·5				<0·001
(s.d.)	21·2		14·7
Median (range)	50 (18–87)		62 (18–88)
25th percentile (range)	29 (18–49)		53 (18–62)
75th percentile (range)	67 (54–87)		72 (62–88)
Normal distribution	Yes		No
Years of schooling
0–7	47	66·2	156	82·5	0·4143	0·2231–0·7692	0·007
⩾8	24	33·8	33	17·5
Family income, minimum salary (Reais, R$)
⩽1	21	29·6	61	32·3			0·402
1·5–3·5	40	56·3	112	59·2
⩾4	10	14·1	16	8·5
Blood transfusion recipient	17	23·9	47	24·9	0·9511	0·5029–1·799	1·000
Direct contact with cat or dog	57	80·3	164	86·8	0·6206	0·3019–1·276	0·241
Work with soil	30	42·2	63	33·3	1·463	0·8361–2·561	0·194
Drink unpasteurized milk	38	53·5	104	55·0	0·9411	0·5443–1·627	0·889
Consumption of raw/undercooked meat	34	47·9	76	40·2	1·366	0·7890–2·366	0·324
Does not wash vegetables well	1	1·4	5	2·6	0·5257	0·06032–4·582	1·000
Live in the countryside	6	8·4	12	6·3	1·362	0·4907–3·778	0·586
Drink tap water	37	52·1	97	51·3	1·032	0·5978–1·782	1·000
Lack of basic sanitary conditions	10	14·1	16	8·5	1·773	0·7633–4·116	0·244
Rats, cockroaches or flies in the home	27	38·0	67	35·4	1·117	0·6354–1·965	0·772

OR, Odds ratio; CI, confidence interval.

^*Univariate analysis; 95% confidence interval, P⩽0·05.